These may concern in particular the design and development of job systems, of job supply and demand mechanisms, of methods for forward-looking labour force management as well as for the anticipation of skill needs, for the promotion of equal opportunities for men and women on the labour market and for the integration into employment of persons exposed to exclusion from the labour market, the improvement or overhaul of training structures, the establishment or development of a national system of validation and accreditation of qualifications, or they may complement specific Community programmes.